CN104593645B - Aluminum alloy pressure-cast door plank and preparation method thereof - Google Patents
Aluminum alloy pressure-cast door plank and preparation method thereof Download PDFInfo
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- CN104593645B CN104593645B CN201510007648.6A CN201510007648A CN104593645B CN 104593645 B CN104593645 B CN 104593645B CN 201510007648 A CN201510007648 A CN 201510007648A CN 104593645 B CN104593645 B CN 104593645B
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Abstract
The invention belongs to the field of machining of alloy materials and discloses an aluminum alloy pressure-cast door plank. The aluminum alloy pressure-cast door plank is prepared from the following raw materials in percentage by weight: 4.1%-4.3% of magnesium, 1.8%-2.1% of manganese, 0.8%-0.9% of zinc, 0.6%-0.7% of copper, 0.3%-0.4% of nickel, 0.1%-0.2% of white graphite, 0.04-0.05% of cerium, 0.04%-0.05% of yttrium, 0.02%-0.03% of samarium, 0.01%-0.02% of silicon dioxide and the balance of aluminum. The aluminum alloy pressure-cast door plank is high in mechanical strength, can resist corrosion and is unlikely to be oxidized and change color; the preparation method is simple, feasible and suitable for large-scale production.
Description
Technical field
The invention belongs to alloy material manufacture field is and in particular to a kind of aluminium alloy compression casting door-plate and preparation method thereof.
Background technology
Aluminum alloy door panel refer to using aluminum alloy extrusion section bar be frame, stile, fan material make door be referred to as aluminium alloy door, referred to as
Aluminium door.Make being combined with timber, plastics of stressed member (bearing and transmit the rod member of deadweight and load) base material including with aluminium alloy
Door, abbreviation aluminum wood composite door, aluminium-plastic composite door.In the most of existing building of China, more than 90% belongs to highly energy-consuming builds
Build.And in highly energy-consuming building, the energy resource consumption of door and window just account for nearly half.As insider's analysis, the pass of building energy conservation
Key is door and window energy-conservation.Therefore, using energy-conservation aluminium door and window, and aluminum transformation is carried out to existing building door and window producer, be China's energy shape
The objective requirement of gesture, is the inexorable trend of market development.
The machining process preparing aluminum alloy door panel has a lot, and compression casting is the method more commonly used.Compression casting
Abbreviation die casting, is a kind of advanced forming technology of high-speed and high-efficiency, is the main manufacturing process of the foundry goods such as complex thin-wall Al alloys andMg alloys
One of, occupy sizable ratio in the production of automobile/motorcycle Al alloys andMg alloys parts.But the aluminum of Die Casting,
How Mg alloy castings internal porosity is it is impossible to carry out solution heat treatment or welding forming, nor carries out excessive machining.
At present, aluminum alloy door panel is primarily present following defect, easy variable color, and corrosion resistant performance is poor, and mechanical strength is inadequate, pore
How not homogeneous, and manufacture method is complicated, the defect such as industrial energy consumption height.
Content of the invention
In order to solve the above problems, the invention provides a kind of high intensity, corrosion-resistant, not easy oxidation discoloration and homogeneous
Aluminium alloy door's panel material；Present invention also offers the manufacture method of above-mentioned aluminum alloy door panel, the method simple possible, industrial energy consumption
Low, suitable large-scale production.
In order to solve above-mentioned technical problem, the technical scheme is that
A kind of aluminium alloy compression casting door-plate, it is prepared from by the raw material of following percentage by weight: magnesium 4.1-4.3%, manganese 1.8-
2.1%, zinc 0.8-0.9%, copper 0.6-0.7%, nickel 0.3-0.4%, white graphite 0.1-0.2%, cerium 0.04-0.05%, yttrium 0.04-
0.05%, samarium 0.02-0.03%, silicon dioxide 0.01-0.02%, remaining is aluminum.
The particle diameter of described white graphite and silicon dioxide all controls more than 300 mesh.
The invention also discloses the manufacture method of above-mentioned aluminium alloy compression casting door-plate, it is carried out in accordance with the following steps:
1) weigh each raw material for standby according to percentage by weight；
2) take aluminum, under argon gas protection, be warming up to 700 DEG C after aluminum is melted, obtain aluminum melt；
3) magnesium, manganese, zinc, copper, nickel, cerium, yttrium and samarium are taken, mixing, mixing and ball milling 10-12 hour in high-energy ball milling tank
Afterwards, obtain mixed metal powder, then white graphite and silicon dioxide are added in mixed metal powder, stir, as
Mixture a；
4) start melting resistance furnace, the mixture a that step 3) is obtained is added in crucible, is passed through n2As shielding gas
Body, after material to be added is completely melt, adds step 2) aluminum melt that obtains, and continue to be passed through n2As protective gas, stir
Mix 3-4 minute, finally lead to argon refine 10-12 minute, be uniformly mixed, obtain alloy melt；
5) adopt die casting machine, by step 4) gained alloy melt die casting in mould, injection pressure is 70-75mpa, injection
Speed is 3.8-4.2m/s, and prepared thickness is the aluminium alloy compression casting door-plate of 4mm.
The good effect that technical solution of the present invention is brought:
The present invention passes through to add white graphite and SiO 2 powder, not only can crystal grain thinning, alloy can be improved simultaneously
Mobility, improves the die casting performance of pack alloy；
The present invention passes through to add a small amount of rare earth metal, the impurity in alloy melt when can remove melting, reaches degasification
Refine, the effect of purification melt；The mechanical property that alloy can be improved with the microscopic structure of refining alloy puies forward heavy alloyed plasticity and becomes
Shape ability, effectively refines matrix, it is to avoid generation pore, and is difficult oxidized variable color；
The present invention passes through to add appropriate alloying metal, effectively changes the mechanical strength of aluminium alloy, improves corrosion resistant
Corrosion energy, optimizes surface smoothness；
The panel material that the present invention makes is placed 120 days under wet heat condition, and surface will not become normal complexion corrosion；
Manufacture method simple possible of the present invention, industrial energy consumption is low, suitable large-scale industrial production.
Specific embodiment
In order that those skilled in the art more fully understand the technical scheme in the application, below in conjunction with the application tool
Body embodiment, is clearly and completely described to the technical scheme of the application it is clear that described embodiment is only this Shen
Please a part of embodiment, rather than whole embodiment.Based on the embodiment in the application, those of ordinary skill in the art are not having
There is the every other embodiment being obtained under the premise of making creative work, all should belong to the scope of protection of the invention.
Embodiment 1
A kind of aluminium alloy compression casting door-plate, it is prepared from by the raw material of following percentage by weight: magnesium 4.1%, manganese 1.8%, zinc
0.8%, copper 0.6%, nickel 0.3%, white graphite 0.1%, 0.04% cerium, 0.04% yttrium, 0.02% samarium, silicon dioxide 0.01%, remaining is aluminum；
The particle diameter of described white graphite and silicon dioxide all controls in 300 mesh；
The manufacture method of above-mentioned aluminium alloy compression casting door-plate, it is carried out in accordance with the following steps:
1) weigh each raw material for standby according to percentage by weight；
2) take aluminum, under argon gas protection, be warming up to 700 DEG C after aluminum is melted, obtain aluminum melt；
3) magnesium, manganese, zinc, copper, nickel, cerium, yttrium and samarium are taken, mixing, in high-energy ball milling tank, mixing and ball milling, after 10 hours, obtains
To mixed metal powder, then white graphite and silicon dioxide are added in mixed metal powder, stir, as mixture
a；
4) start melting resistance furnace, the mixture a that step 3) is obtained is added in crucible, is passed through n2As shielding gas
Body, after material to be added is completely melt, adds step 2) aluminum melt that obtains, and continue to be passed through n2As protective gas, stir
Mix 3 minutes, finally lead to argon refine 10 minutes, be uniformly mixed, obtain alloy melt；
5) adopt die casting machine, by step 4) gained alloy melt die casting in mould, injection pressure is 70mpa, injection speed
Spend for 3.8m/s, the aluminium alloy compression casting door-plate for 4mm for the prepared thickness.
Embodiment 2
A kind of aluminium alloy compression casting door-plate, it is prepared from by the raw material of following percentage by weight: magnesium 4.3%, manganese 2.1%, zinc
0.9%, copper 0.7%, nickel 0.4%, white graphite 0.2%, 0.05% cerium, 0.05% yttrium, 0.03% samarium, silicon dioxide 0.02%, remaining is aluminum；
The particle diameter of described white graphite and silicon dioxide all controls in 400 mesh；
The manufacture method of above-mentioned aluminium alloy compression casting door-plate, it is carried out in accordance with the following steps:
1) weigh each raw material for standby according to percentage by weight；
2) take aluminum, under argon gas protection, be warming up to 700 DEG C after aluminum is melted, obtain aluminum melt；
3) magnesium, manganese, zinc, copper, nickel, cerium, yttrium and samarium are taken, mixing, in high-energy ball milling tank, mixing and ball milling, after 12 hours, obtains
To mixed metal powder, then white graphite and silicon dioxide are added in mixed metal powder, stir, as mixture
a；
4) start melting resistance furnace, the mixture a that step 3) is obtained is added in crucible, is passed through n2As shielding gas
Body, after material to be added is completely melt, adds step 2) aluminum melt that obtains, and continue to be passed through n2As protective gas, stir
Mix 4 minutes, finally lead to argon refine 12 minutes, be uniformly mixed, obtain alloy melt；
5) adopt die casting machine, by step 4) gained alloy melt die casting in mould, injection pressure is 75mpa, injection speed
Spend for 4.2m/s, the aluminium alloy compression casting door-plate for 4mm for the prepared thickness.
Embodiment 3
First, the performance parameter test of the aluminium alloy compression casting door-plate of Example 1 and Example 2 of the present invention preparation, is specifically shown in Table
1:
Table 1
| Group | Tensile strength mpa | Yield strength mpa | Percentage elongation % | Hardness hb |
| Embodiment 1 | 336 | 229 | 10.3 | 82 |
| Embodiment 2 | 330 | 232 | 10.6 | 80 |
| Adc12 compares | 331 | 169 | 2.8 | 81 |
2nd, the corrosion resistance test of the aluminium alloy compression casting door-plate of Example 1 and Example 2 of the present invention preparation:
According to gb10124-1988 metal material test chamber homogeneous corrosion total immersion test method, prepared by above-described embodiment
Sample tiltedly stand up in 3.5%nacl solution, after 4 days take out with cro3+agno3+ba (no3) 2+ distilled water remove sample table
The corrosion product in face, is then cleaned with acetone and anhydrous alcohol again, surveys corrosion rate (mm/a).
The alloy corrosion speed obtaining in above-described embodiment 1-2 is as shown in table 2.
Table 2
| Numbering | Corrosion rate (mm/a) |
| Embodiment 1 | 0.13 |
| Embodiment 2 | 0.14 |
| Adc12 compares | 0.23 |
Can intuitively be found out by table 2, the present invention passes through each raw metal of reasonable compatibility, add proper amount of nonmetallic raw material
And rare earth metal, substantially increase the corrosion resisting property of aluminium alloy compression casting door-plate.
Although, above with general explanation and specific embodiment, this case has been made with detailed explanation, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
The modification made without departing from theon the basis of the spirit of the present invention or improvement, belong to the scope of protection of present invention.
Claims (1)
1. a kind of aluminium alloy compression casting door-plate is it is characterised in that described door-plate is prepared from by the raw material of following percentage by weight: magnesium
4.1-4.3%, manganese 1.8-2.1%, zinc 0.8-0.9%, copper 0.6-0.7%, nickel 0.3-0.4%, white graphite 0.1-0.2%, cerium 0.04-
0.05%, yttrium 0.04-0.05%, samarium 0.02-0.03%, silicon dioxide 0.01-0.02%, remaining is aluminum；
The particle diameter of described white graphite and silicon dioxide all controls more than 300 mesh；
The manufacture method of described aluminium alloy compression casting door-plate comprises the steps:
1) weigh each raw material for standby according to percentage by weight；
2) take aluminum, under argon gas protection, be warming up to 700 DEG C after aluminum is melted, obtain aluminum melt；
3) magnesium, manganese, zinc, copper, nickel, cerium, yttrium and samarium are taken, mixing, after mixing and ball milling 10-12 hour in high-energy ball milling tank, obtain
To mixed metal powder, then white graphite and silicon dioxide are added in mixed metal powder, stir, as mixture
a；
4) start melting resistance furnace, the mixture a that step 3) is obtained is added in crucible, is passed through n2As protective gas, to be added
After the material entering is completely melt, add step 2) aluminum melt that obtains, and continue to be passed through n2As protective gas, stir 3-4 and divide
Clock, finally leads to argon refine 10-12 minute, is uniformly mixed, obtains alloy melt；
5) adopt die casting machine, by step 4) gained alloy melt die casting in mould, injection pressure is 70-75mpa, injection speed
For 3.8-4.2m/s, prepared thickness is the aluminium alloy compression casting door-plate of 4mm.
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| CN201510007648.6A CN104593645B (en) | 2015-01-07 | 2015-01-07 | Aluminum alloy pressure-cast door plank and preparation method thereof |
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| CN201510007648.6A CN104593645B (en) | 2015-01-07 | 2015-01-07 | Aluminum alloy pressure-cast door plank and preparation method thereof |
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| CN104934909B (en) * | 2015-06-01 | 2017-10-13 | 金海新源电气江苏有限公司 | A kind of light-weight refractory high-strength cable bridge and its processing method |
| CN105506395B (en) * | 2015-09-24 | 2017-06-09 | 国网山东省电力公司临沂供电公司 | High-frequency water-cooling transformer based on aluminum profile heat radiator |
| CN106193958A (en) * | 2016-08-01 | 2016-12-07 | 陆坤 | A kind of preparation method of aluminum alloy sound insulation door |
| CN106193932A (en) * | 2016-08-01 | 2016-12-07 | 陆坤 | A kind of aluminum alloy sound insulation door |
| CN108149077A (en) * | 2016-12-03 | 2018-06-12 | 王启方 | Multi-functional banner suspension arm |
| CN107364386A (en) * | 2017-06-28 | 2017-11-21 | 太仓东泰精密机械有限公司 | A kind of caravan metal baffle |
| CN110724856A (en) * | 2019-12-04 | 2020-01-24 | 浙江机电职业技术学院 | Corrosion-resistant composite metal material and preparation method thereof |
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| JPH04371545A (en) * | 1991-06-19 | 1992-12-24 | Furukawa Alum Co Ltd | Aluminum alloy sheet for pulley |
| JP5425634B2 (en) * | 2006-10-27 | 2014-02-26 | ナノテク・メタルズ，インコーポレイテッド | High temperature nanocomposite aluminum alloy and method thereof |
| CN103352147B (en) * | 2013-07-02 | 2016-03-02 | 安徽天祥空调科技有限公司 | Cast aluminum alloy material for radiator and manufacture method thereof |
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